Realizing that they will not be able to find the Dragon Balls if the Dragon Radar is destroyed, Goku orders Trunks to fly to West City to retrieve the Dragon Radar from Capsule Corporation. Goku leaves to delay Majin Buu and Babidi. In order to buy Trunks some time, Goku builds up a large amount of energy. This also uses some of his remaining time on Earth. Goku transforms into his ultimate form that follows Super Saiyan 2 known as Super Saiyan 3. The immense power of Super Saiyan 3 is felt even in the Sacred World of the Kais.